Water pump illustration – not the actual part
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Water pump illustration – not the actual partDiesel Parts Direct logo

Aftermarket parts may appear slightly different, including the packaging.

John DeereJohn Deere 450 Series Cooling System

DS-RE521503 Water Pump For John Deere Engines

(High Flow, 15 Tooth)

OEM #: RE521503SKU: DSRE521503

Ships in 1-2 days

$456.42

Taxes and Shipping are calculated at checkout

Special Order Item - not eligible for return

  • This part can be used on the following John Deere diesel engines:
    • 6081A/6081H Powertech (ESN 200000 and up, piston marked RE60328, RE62640, RE65407, RE70689, RE503305, RE508995, RE516291)
    • 6081A/6081H Powertech (ESN up to 199999, piston marked RE60328, RE62640, RE65407, RE70689, RE503305, RE508995, RE516291)
    • 6090H Powertech Plus (piston marked RE529264)
  • This part can be used for engines installed in the following applications:
    • Combines: 9560STS, 9610, 9640, 9650, 9650CTS, 9650STS, 9660, 9660CTS, 9660STS, 9680, 9750STS, 9760STS, CTS II
    • Cotton pickers: 9976, 9986, 9996
    • Dump trucks: 250D, 300D
    • Feller bunchers: 853J, 903J, 953J
    • Forage harvesters: 6610, 6650, 7200
    • Power units: 6081AF, 6081AFM01, 6081AFM75, 6081HF, 6081HF070, 6090HF475, 6090HF484, 6090HF485, 6090HFC47, 6090HFC48
    • Sprayers: 4920
    • Tractors: 8410, 8410T, 8420, 8420T, 8520, 8520T, 8530, 9120
SKU DSRE521503
OEM Number RE521503
Part Type Water Pumps
OEM Brand JOHN DEERE

Aftermarket warranty

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  • Orders are processed the same or next business day
  • Expedited shipping options available at Checkout
  • If same-day shipping is critical, please call to confirm availability

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Call any of our friendly Parts Dept. Specialists with your engine serial number, and we can quickly verify whether this part is the correct part for your engine — no guesswork.

Phone: 888.687.0539

Don't know how to find your engine serial number? Go to our Engine Help Center for assistance.